The rules that use the vocabulary item "in" are:
zoom closer in
zoom closer in on <zoomable_thing>
zoom in
zoom in <zoomable_thing>
zoom in closer
zoom in closer on <zoomable_thing>
zoom in on <zoomable_thing>
enemy ambush in place
dig in
in <formation>
center in on <zoomable_thing>
dig in
<get_in_formation_verb> in <formation>
<get_in_formation_verb> in <formation-formation> <formation-subformation>
<get_in_formation_verb> in line
follow in trace of
in front of
out in front of
dug in
in open